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Atsumi Dolerite

• Intrusive rocks
• Miocene
• Intruded in: Kamigo Formation

• Lithofacies: Dolerite

• Distribution: Yamagata pref.

• Tsuchiya et al. (1984) Geology of the Tsuruoka District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 77p. (in Japanese with English abstract 5p.)